1. update default MFPR value to drive strength fast 3mA and edge
   detection logic disabled

2. update impacted MFP_CFG_xxx() macros
Signed-off-by: Nbridge wu <bridge.wu@marvell.com>
Signed-off-by: Neric miao <eric.miao@marvell.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>